Just wanted to mention because I am studying this right now too that young children often present with negative blood tests and biopsies for celiac's even though they actually have it. It is because there has not yet been enough damage to their gut and villi. One of the best ways to test for young children is to do a stool sample through Enterolab or a gene test swab, both are non-invasive tests.

__________________**Jessica** Mom to DD: Camden 12/04, DS: Garrett 8/08, DSD: Mikayla 2/00 and Angel Baby's lost on 11/15/07 and 6/14/10. Expecting a new addition to our family in May 2012. My Blog:Our Learning House